Inventor
KUNST HELMUT
DE9 patents
⚠️ This page may combine multiple inventors who share the name “KUNST HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
8 patentsUS4292094ASep 29, 1981
Process for increasing the corrosion resistance of nitrided structural parts made of iron material
DEGUSSA27 citations80
US4126488ANov 21, 1978
Boriding agent for boriding mass produced parts of ferrous and non-ferrous metals
DEGUSSA26 citations80
US4062702ADec 13, 1977
Process for partially insulating surfaces of metal work pieces
DEGUSSA8 citations71
US4055446AOct 25, 1977
Salt bath quenching of construction parts treated with a nitriding bath
DEGUSSA9 citations71
US4492604AJan 8, 1985
Salt bath for nitriding iron materials
DEGUSSA15 citations70
US4717429AJan 5, 1988
Process for the removal of alkali metal nitrite from nitrate containing salt baths
DEGUSSA4 citations60
US5288340AFeb 22, 1994
Method of improving the corrosion resistance of carbonitrided components made of ferrous materials
DEGUSSA3 citations56
US4178244ADec 11, 1979
Process for removal of hardening and galvanizing waste water
DEGUSSA0 citations51